Birch Marble vs Tiny Earthstar

Apotomis betuletana compared with Geastrum minimum

Key Differences

• Birch Marble is Least Concern while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Birch Marble	Tiny Earthstar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Geastrales (Geastrales)
Family	Tortricidae	Geastraceae
Genus	Apotomis	Geastrum
Species	Apotomis betuletana	Geastrum minimum

Conservation Status

Birch Marble

LC — Least Concern

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Birch Marble	Tiny Earthstar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Tiny Earthstar

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway